brown



No. 6|o,34|. Patented sept'. |398.

G. G., BROWN.

END BEARING.

lisation led Dec. 3,

(N0 Model.)

wwf/M @my UNITED STATESv ArnNr Brion.

END-BEARING.

SPECIFICATION forming part of Letters Patent No. 610,341, dated September 6, 1898,.

Application filed December 3, 1897. Serial No. 660,599. (No model.)

To all whom it may concern:

Be it known that I, GOVEURNEER G. BROWN, ofNew York, (Brooklyn,) n the county of Kings and State of New York, have invented a new and useful Improvement in End-Bearings, of which the following is a specification.

My invention relates to a new and useful improvement in end-bearings for upright shafts, by means of which the shaft may be supported with a minimum amount of friction and wear resulting therefrom.

A practical embodiment of my invention is represented in the accompanying drawings, in which- Figure l represents a vertical central section through one form of my improved bearing, representing the lower end of an upright shaft in its position within the bearing. Fig. 2 is a similar View representing a modified form of top plate, and Fig. 3 is a horizontal section through the bearing in the plane of the line 3 3 of Fig. 1.

The upright shaft is represented herein by A, its lower end preferably having a convex form, as shown at a. The bearing in which the said shaft is mounted to rotate comprises a bracket B, of cup shape, within the bore of which is located asleeve C, of hollow cylindrical form, which sleeve may be made of any suitable material-such, for instance, as brass. the lower portion of theY shaft A therein with an easy rotating t. Upon the base of the bracket B, within the sleeve C, is located a bottom plate D, of some suitable hard material. Above this plate D is located a top plate E, of some suitable material, the said plates being preferably made of hardened steel. Between the two plates and servingto space them apart there is located a plurality of antifriction-balls F. The end a of the upright shaft A rests upon this top plate E, which top plate in turn rests upon the said antifrictionballs F. The top plate E is permitted afree This sleeve is adapted to receive.

rotary movement within the sleeve C, and the balls F are preferably retained in their position-by dishing the adjacent faces of the plates Eand D.

The central portions of the two plates are preferably not dished, thereby'preventing the liability of one of the balls F becoming centeredbetween the two plates and receiving thereby an uneven amount of wear relative to the other balls. The space between the two Aplates is preferably as fully filled with these antifriction-balls as can be inserted in a single plane.

In the form shown in Fig. l the top plate E is provided with a fiat upper face, whilein the form shown in Fig. 2 the said plate is provided with a convex upper face.

The shaft when mounted in the above manner rotates normally upon the top plate F., its only point of bearing being at the center of the convex end of the said shaft. When,

, however, any undue weight or strain is placed upon the said shaft, it will cause the plate E to rotate upon the antifriction-balls F, thereby relieving the shaft A of all unduev frictional strain.

What I claim is- In combination, an antifriction-bearing for upright shafts comprising a suitable bracket,

eovEURNEnR e. BROWN@ Witnesses FREDK. HAYNES, EDWARD VIESER. 

